Finding the Fourth Proportional to 12,051,388.56, 16,630,862.84 and 6,544,720.20
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Solution
The fourth proportional to 12,051,388.56, 16,630,862.84 and 6,544,720.20 is: 9,031,684.89
Step by Step Solution
- Step 1: Write the proportion equation
12,051,388.56 : 16,630,862.84 = 6,544,720.20 : x - Step 2: Convert to fraction form
12,051,388.56/16,630,862.84 = 6,544,720.20/x - Step 3: Cross multiply
12,051,388.56x = 16,630,862.84 × 6,544,720.20 - Step 4: Simplify right side
12,051,388.56x = 108,844,343,972,377.38 - Step 5: Solve for x
x = 108,844,343,972,377.38/12,051,388.56 - Step 6: Final answer
x = 9,031,684.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.